GuidesMathsPaper 2 · last-minute revision
3 days to go

GCSE Maths Edexcel Paper 2: last-minute revision

Paper 2 is calculator, 1 hour 30 minutes, 80 marks. The calculator does not save you from a wrong method. You have 3 days, here is where the marks are.

Edexcel 1MA1
The plan

Your 3-day plan

One focus per day, building to a timed run. Work it in order.

3
3 days to go

Multi-step calculator questions and the topics that need a formula, not just a button press

  • Work through compound interest, reverse percentages, and speed/distance/time questions. All three appear on almost every calculator paper
  • Practise 3 scatter graph questions: plotting, drawing the line of best fit, and reading off predictions
  • Do 3 volume of pyramids and cones questions, both formulae are given, but you still need to know which one to use
2
2 days to go

Statistics and probability with a calculator

  • Practise conditional probability and tree diagrams where branches are not independent
  • Work through histogram questions: frequency density, not frequency, is the height of the bar
  • Revise bounds and error intervals, a Higher tier topic that trips up students who forget the calculator does not round for them
1
1 day to go

Light review, not new content

  • Re-read the formula sheet Edexcel provides and check which formulae you still need to memorise (the quadratic formula is NOT given, sine and cosine rule ARE given)
  • Skim your percentage and ratio methods one more time
  • Get an early night. A clear head reads word problems more accurately than a tired one does
Priority order

The topics that come up most

Ranked from analysed past papers. Start at the top: if you run out of time, you will have covered the most-tested ground.

1

Simultaneous Equations

Tested on every Edexcel paper, calculator and non-calculator. Always worth setting up algebraically, never worth guessing

2

Reverse Percentages

A very high-frequency calculator topic. Finding the original amount before a percentage change, not just calculating the new amount

3

Speed, Distance, Time

Appears on calculator papers most series, often combined with unit conversion. Set up the formula triangle before you calculate

4

Scatter Graphs

A reliable calculator-paper topic worth 4-6 marks: plotting points, drawing a line of best fit, and reading off a prediction within the data range

5

Volume of Pyramids and Cones

A high-frequency 3D geometry topic. Both formulae are on the formula sheet, but picking the right one and substituting correctly is where marks are lost

6

Bounds and Error Intervals

Higher tier only. A very high-frequency topic on rounding and truncation: know the difference between an upper bound and a value that rounds up to a given figure

7

Conditional Probability

Higher tier only. Tree diagrams without replacement, where the second branch's probabilities depend on the first outcome

8

Histograms

Higher tier only. The bar height is frequency density (frequency divided by class width), not frequency. This single fact is worth learning properly

Your Knowledge Organisers

PrepWise has a one-page Knowledge Organiser for every topic above. In the final 3 days, use them the same way each time: cover the page, try to recall the method and a worked example from memory, check what you missed, then repeat the next day.

Open the Maths Knowledge Organisers
Cheat sheet

Exam technique

Rules specific to Paper 2. On this paper, structure earns as many marks as knowledge.

1

A calculator does not replace working

Edexcel awards method marks on Paper 2 exactly as it does on Paper 1. Typing a correct sequence into your calculator and writing only the final answer risks losing marks if you slip and mistype a number. Write the calculation you are performing, then the answer.

2

Check the formula sheet before you start

Edexcel's formula sheet gives you the sphere and cone volume formulae, sine rule, cosine rule, and the area of a triangle formula. It does NOT give you the quadratic formula, so learn that one by heart before the exam.

3

Don't round early

If a question has several steps, keep the full calculator display (or at least 4-5 significant figures) between steps and only round your final answer to the accuracy asked for. Rounding after step one and using the rounded figure in step two is one of the most common accuracy-mark losses on calculator papers.

4

Sense-check with an estimate

Before you rely on a calculator answer, do a rough estimate in your head. If your calculator gives you a house costing 5p or a probability greater than 1, you have mistyped something. Catching this costs seconds and saves marks.

5

Read multi-part questions as one story

Edexcel often uses part (a) to set up information you need in part (b) or (c). If you get stuck on a later part, check whether an earlier answer is the missing piece.

Avoid these

5 mistakes that cost marks

The errors examiners see most on this paper. Each one is an easy mark you already know how to keep.

Confusing frequency density with frequency when drawing or reading a histogramAlways divide frequency by class width to get the bar height. When reading a histogram, multiply bar height by class width to get frequency back

Treating tree diagram branches as independent when the question says 'without replacement'Without replacement means the second set of branches changes, both the numbers and the totals. Redraw the tree with updated values for the second pick

Using the wrong bound (rounding up instead of down, or vice versa) in a bounds questionFor a value rounded to the nearest whole number, the lower bound is 0.5 below and the upper bound is 0.5 above. Write both bounds out explicitly before answering

Finding the new amount instead of the original amount in a reverse percentage questionIf a price has increased by 20% to £120, that £120 represents 120% of the original, not 100%. Divide by 1.2, do not multiply by 0.8

Rounding a calculator answer too early in a multi-step problemKeep the unrounded value on your calculator display and carry it into the next step. Only round the final answer to the degree of accuracy the question asks for

Exam day

The morning of the exam

The 60 minutes before you walk in. Review what you know and settle your nerves.

  • Check your calculator has working batteries and you know how to use its fraction and standard form buttons
  • Bring a spare calculator or spare batteries if you can, a dead calculator on the day is a solvable problem only if you planned for it
  • Skim the formula sheet so you know what is given and what you still need to recall (the quadratic formula is not on it)
  • Remind yourself: show your method even when using a calculator, the mark is for the working, not just the number
  • Attempt every question, even partially. A method mark for a half-finished answer beats a blank box
  • Leave your last 5 minutes to check unanswered questions, not to redo ones you have already completed

Now test yourself

You do not revise maths by reading it. Work exam-style questions in PrepWise, get them marked instantly, and see exactly which topics still cost you marks.

Practise Maths questions

Start the 3-day plan now

Open the Maths Knowledge Organisers, quiz every priority topic and walk in ready. Free during alpha.

Get started with your personalised revision
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